1.   Clients sign contracts to become participants and agree to adhere to a rigorous schedule.

2.   The teams have been on a rigorous training schedule for the hundred mile long test of skill and stamina.

3.   She said she intended to carry on with her TV work, but in jobs with less rigorous commuting schedules.

4.   At least for now, Reno plans to continue a rigorous schedule.

5.   Because of a rigorous training schedule in the offseason, according to Radinsky, one or two late exhibition appearances would be enough to prepare him for the season.

6.   After all, professional athletes have rigorous training schedules and travel frequently.

7.   Already Weld, who has never pretended to keep a rigorous schedule, seems ready to move on.

8.   But Scott was in a wheelchair for two years and underwent a rigorous schedule of daily physical therapy.